[POWERPC] PS3: Storage Driver Core
Add storage driver core support for the PS3.
PS3 storage devices are a special kind of PS3 system bus device.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/ps3stor.h b/include/asm-powerpc/ps3stor.h
new file mode 100644
index 0000000..6fcaf71
--- /dev/null
+++ b/include/asm-powerpc/ps3stor.h
@@ -0,0 +1,71 @@
+/*
+ * PS3 Storage Devices
+ *
+ * Copyright (C) 2007 Sony Computer Entertainment Inc.
+ * Copyright 2007 Sony Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _ASM_POWERPC_PS3STOR_H_
+#define _ASM_POWERPC_PS3STOR_H_
+
+#include <linux/interrupt.h>
+
+#include <asm/ps3.h>
+
+
+struct ps3_storage_region {
+ unsigned int id;
+ u64 start;
+ u64 size;
+};
+
+struct ps3_storage_device {
+ struct ps3_system_bus_device sbd;
+
+ struct ps3_dma_region dma_region;
+ unsigned int irq;
+ u64 blk_size;
+
+ u64 tag;
+ u64 lv1_status;
+ struct completion done;
+
+ unsigned long bounce_size;
+ void *bounce_buf;
+ u64 bounce_lpar;
+ dma_addr_t bounce_dma;
+
+ unsigned int num_regions;
+ unsigned long accessible_regions;
+ unsigned int region_idx; /* first accessible region */
+ struct ps3_storage_region regions[0]; /* Must be last */
+};
+
+static inline struct ps3_storage_device *to_ps3_storage_device(struct device *dev)
+{
+ return container_of(dev, struct ps3_storage_device, sbd.core);
+}
+
+extern int ps3stor_setup(struct ps3_storage_device *dev,
+ irq_handler_t handler);
+extern void ps3stor_teardown(struct ps3_storage_device *dev);
+extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
+ u64 start_sector, u64 sectors,
+ int write);
+extern u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd,
+ u64 arg1, u64 arg2, u64 arg3, u64 arg4);
+
+#endif /* _ASM_POWERPC_PS3STOR_H_ */